Santorini Hourly Weather Forecast

Santorini temperature trend - Next 24 hours

The next 24 hours at a glance

Warmest hour: 3 AM - around 73°
Coolest hour: 10 AM - around 65°
Highest rain chance: 10 AM (82%) - pack accordingly
UV peak: 12 PM at index 4 - sun protection recommended
Windiest: 1 AM at 13 mph

Santorini hourly weather - Wednesday, September 16

In Santorini, expect a high near 73°F (23°C) around 3 AM and a low of 65°F (18°C) near 10 AM; precipitation risk peaks at 82% around 10 AM.

Time	Conditions	Temp	Feels	Rain	Wind	Humidity	UV
12 AM	Partly Cloudy	73°	70°	10%	12 mph N	67%	0
1 AM	Cloudy	73°	70°	11%	13 mph N	68%	0
2 AM	Overcast	73°	70°	17%	13 mph NNW	68%	0
3 AM	Overcast	73°	70°	16%	12 mph NW	66%	0
4 AM	Overcast	73°	71°	16%	10 mph NW	66%	0
5 AM	Overcast	73°	72°	17%	10 mph NW	68%	0
6 AM	Patchy rain nearby	72°	71°	30%	11 mph NW	76%	0
7 AM	Light drizzle	72°	70°	55%	10 mph NW	70%	0
8 AM	Light drizzle	68°	70°	49%	2 mph N	74%	0
9 AM	Light rain	66°	69°	74%	1 mph NNW	80%	0
10 AM	Moderate rain	65°	66°	82%	3 mph ENE	86%	1
11 AM	Light rain	65°	68°	74%	2 mph E	85%	2
12 PM	Light rain shower	67°	67°	59%	6 mph SSW	82%	4
1 PM	Light rain shower	68°	69°	68%	5 mph SW	82%	4
2 PM	Light rain shower	68°	70°	64%	3 mph WSW	80%	2
3 PM	Patchy rain nearby	68°	71°	27%	2 mph WSW	79%	2
4 PM	Patchy rain nearby	69°	71°	23%	3 mph WSW	78%	3
5 PM	Overcast	70°	72°	22%	2 mph SW	76%	2
6 PM	Overcast	70°	74°	21%	1 mph NNE	75%	0
7 PM	Overcast	70°	73°	20%	2 mph ENE	74%	0
8 PM	Overcast	71°	74°	20%	2 mph E	74%	0
9 PM	Partly Cloudy	71°	74°	12%	2 mph NW	73%	0
10 PM	Clear	72°	72°	6%	6 mph NNW	72%	0
11 PM	Clear	72°	70°	6%	11 mph NNW	71%	0

Santorini hourly weather - Thursday, September 17

In Santorini, expect a high near 73°F (23°C) around 4 PM and a low of 72°F (22°C) near 8 AM, with no meaningful precipitation risk.

Time	Conditions	Temp	Feels	Rain	Wind	Humidity	UV
12 AM	Clear	72°	70°	6%	12 mph N	71%	0
1 AM	Clear	72°	70°	6%	13 mph NNW	72%	0
2 AM	Clear	73°	69°	6%	16 mph NNW	72%	0
3 AM	Clear	73°	67°	6%	17 mph NNW	71%	0
4 AM	Clear	73°	68°	5%	16 mph NW	69%	0
5 AM	Clear	73°	67°	7%	19 mph NNW	74%	0
6 AM	Clear	73°	67°	7%	18 mph N	74%	0
7 AM	Clear	72°	68°	6%	16 mph NNW	73%	0
8 AM	Sunny	72°	67°	6%	16 mph N	71%	0
9 AM	Sunny	72°	67°	5%	16 mph N	69%	1
10 AM	Sunny	72°	68°	5%	14 mph N	68%	2
11 AM	Sunny	72°	68°	5%	13 mph NNW	67%	4
12 PM	Sunny	73°	69°	4%	13 mph NNW	65%	6
1 PM	Sunny	73°	69°	4%	13 mph NNW	65%	7
2 PM	Sunny	73°	69°	4%	13 mph NNW	65%	7
3 PM	Sunny	73°	68°	4%	15 mph NNW	66%	5
4 PM	Sunny	73°	68°	4%	16 mph NNW	65%	4
5 PM	Sunny	73°	67°	4%	18 mph NNW	66%	2
6 PM	Sunny	73°	66°	4%	18 mph NNW	64%	1
7 PM	Sunny	73°	66°	4%	19 mph NNW	65%	0
8 PM	Clear	72°	64°	4%	20 mph NNW	64%	0
9 PM	Clear	72°	65°	5%	20 mph NNW	66%	0
10 PM	Clear	72°	65°	5%	20 mph NNW	67%	0
11 PM	Clear	72°	65°	4%	19 mph NNW	66%	0

Quick answers for the hours ahead

What is the warmest hour in Santorini today?

3 AM is forecast to be the warmest, at about 73°F (23°C) with overcast.

Will it rain in Santorini tonight?

A small chance: precipitation risk peaks at 21% around 6 PM.

When is the UV index highest in Santorini today?

Around 12 PM, when it reaches 4. From UV 3 upward, sun protection is recommended.

Santorini hour-by-hour: what to expect

Over the next 24 hours in Santorini, temperatures range from 65°F (18°C) around 10 AM up to 73°F (23°C) near 3 AM - about 7°F (4°C) below the typical September high of 80°F (27°C).

Precipitation is a real possibility: the chance of rain peaks at 82% around 10 AM.

The “feels like” column blends humidity and wind into an apparent temperature - see how it works in our feels-like temperature guide. Planning further ahead? Check the Santorini 14-day forecast or the monthly climate averages.

Hourly forecasts nearby

Mykonos hourly Athens hourly Antalya hourly

Santorini, Greece Hourly Forecast